Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Income Tax Contingency [Line Items]
Annual effective tax rate ( as a percent )			24.60%	19.00%
Provision for (benefit from) income taxes	$ 3,495	$ 1,030	$ 12,720	$ (3,936)
Unrecognized tax benefits	14,000		14,000		$ 10,000
Accrued interest and penalties	$ 1,700		1,700		$ 1,400
Equity Compensation
Income Tax Contingency [Line Items]
Provision for (benefit from) income taxes			(8,100)	(4,800)
Aesynt
Income Tax Contingency [Line Items]
Provision for (benefit from) income taxes			$ 9,600	$ (4,200)